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Posted 01 August, 2026

Circuit Design Engineer

TechNest Talent
Glasgow, SCT, GB Full Time

Job Description

EAD Circuit Design Engineer (Outside IR35) Glasgow (Hybrid)\n

Location: Glasgow (3 days onsite)
Rate: Up to £350 per day (Outside IR35, all-inclusive)
Contract: Contract (with high expectations for extension and/or permanent)
Security Clearance: BPSS

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TechNest are looking for an experiencedCircuit Design Engineerto join a major telecoms delivery programme supporting SP Energy Networks (SPEN). This is an exciting opportunity to work on the design and delivery of Ethernet Access Direct (EAD) circuits within high-voltage utility and substation environments.

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This is not a generic network design role. We're seeking someone with proven experience designing BT/Openreach EAD or leased-line circuits who understands the unique challenges of delivering telecoms infrastructure into electrically sensitive environments.

What You'll Be Doing\n
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  • Design EAD, leased-line and Carrier Ethernet access circuits for SPEN substations.
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  • Assess circuit feasibility using BT/Openreach survey outputs and site constraints.
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  • Produce High-Level Designs (HLDs), Low-Level Designs (LLDs) and implementation-ready design packs.
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  • Review fibre and copper access suitability for complex utility sites.
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  • Identify and manage design risks, including EMI/EMC considerations and Earth Potential Rise (EPR).
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  • Define cabinet and rack requirements, including EMC cabinets, ventilation, cable entry and filtering.
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  • Collaborate with Vodafone, SPEN, BT/Openreach, suppliers and field engineering teams to ensure successful delivery.
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  • Support handover documentation and Acceptance Into Live Support (AILS).
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What We're Looking For\n

Essential:

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  • Strong experience designing BT/Openreach EAD, Ethernet Access or leased-line circuits.
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  • Knowledge of the BT/Openreach delivery lifecycle, including surveys, provisioning and site readiness.
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  • Experience producing HLDs, LLDs, implementation documentation and as-built designs.
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  • Ability to interpret surveys, technical drawings and supplier documentation.
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  • Experience with fibre access design and circuit routing.
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  • Excellent stakeholder management and communication skills.
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Highly Desirable:

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  • Experience working in utility, substation, rail or industrial telecoms environments.
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  • Understanding of EMI/EMC requirements and their impact on telecoms design.
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  • Knowledge of Earth Potential Rise (EPR) and associated design considerations.
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  • Familiarity with EMC cabinets, rack layouts, ventilation, gland plates and cable management.
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Ideal Background\n

We're particularly interested in candidates with experience in:

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  • BT/Openreach EAD or Carrier Ethernet delivery
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  • Vodafone Enterprise Access projects
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  • Utility or power sector telecoms
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  • Substation communications
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  • Rail or industrial telecoms
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  • Fibre access planning and design
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Additional Information\n
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  • Hybrid role with 3 days per week onsite in Glasgow.
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  • Candidates should be based in the UK, with local candidates preferred.
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  • A full UK driving licence is required, as travel to Kirkintilloch, Glasgow will be necessary.
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  • BPSS clearance is required (SC clearance is not).
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If you have hands-on experience designing telecoms access circuits for complex environments and are looking for your next Outside IR35 contract, we'd love to hear from you.

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